Updated deployment targets to work with carthage
Updated deployment targets to work with carthage

ybbaigo/PDTSimpleCalendar,RyanTech/PDTSimpleCalendar,z8927623/PDTSimpleCalendar,gagansingh/PDTSimpleCalendar,jivesoftware/PDTSimpleCalendar,GangWang/PDTSimpleCalendar,duanhjlt/PDTSimpleCalendar,MichelleTessier/PDTSimpleCalendar,asd197203/PDTSimpleCalendar,markGilchristBookingBug/PDTSimpleCalendar,13983441921/PDTSimpleCalendar,makingspace/PDTSimpleCalendar,AlexanderMazaletskiy/PDTSimpleCalendar,archfear/PDTSimpleCalendar,leasual/PDTSimpleCalendar,z514306470/PDTSimpleCalendar,AlanJN/PDTSimpleCalendar,Magnat12/PDTSimpleCalendar,adonoho/PDTSimpleCalendar